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Penrose limit of AdS(3) X S(3) X S(3) X S(1) and its associated sigma model

Luca Sommovigo

hep-tharXiv:hep-th/0305151

Abstract

We study the Penrose limit of a supersymmetric IIB background, with non-trivial NS 3-form field strength, obtaining a solution with the smallest number of supercharges (i.e. 16) allowed; we write down explicitly the superalgebra of the theory, build the supersymmetric associated IIB string sigma model and make conjectures on the dual gauge theory.

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